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2ALA

Crystal structure of the Semliki Forest Virus envelope protein E1 in its monomeric conformation.

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0019028cellular_componentviral capsid
A0055036cellular_componentvirion membrane
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues17
DetailsRegion: {"description":"E1 fusion peptide loop","evidences":[{"source":"UniProtKB","id":"Q8JUX5","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues80
DetailsRegion: {"description":"E1-DIII; interaction with host receptor VLDLR","evidences":[{"source":"PubMed","id":"16407067","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"37098345","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Interaction with host receptor VLDLR","evidences":[{"source":"PubMed","id":"37098345","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"39095394","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsSite: {"description":"Interaction with host receptor VLDLR","evidences":[{"source":"PubMed","id":"37098345","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsSite: {"description":"Interaction with host receptor VLDLR","evidences":[{"source":"PubMed","id":"39095394","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine; by host","evidences":[{"source":"PubMed","id":"14737160","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"6985476","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine; by host","evidences":[{"source":"UniProtKB","id":"Q5Y388","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

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PDB entries from 2025-10-08

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